MtP400 Label printer - B/W - Direct thermal - 3.3 ips - 203 dpi - 4.1 in. Print Width - Serial MtP400 printers are rugged, four-inch portable thermal printers that are ideal for label printing, as well as a printer for receipts, maps, and schematics. Designed to print in any orientation, the printer can be easily transported, mounted in a vehicle or carried on a belt or shoulder. Couple that with the printer's wide range of media options and you'll find the MtP400 to be the perfect mobile printing partner for your needs.TBDIU